Is a single-burner or double-burner portable induction cooktop better?

It depends on counter space and cooking style. Single burners like the Duxtop 9600LS draw the full 1800W to one element and tend to have the deepest review histories. Double-burner units add convenience but typically split or share wattage between elements, so two pots running at once may heat more slowly than a dedicated single burner. Across the listings here, single-burner models carried the largest verified-purchase samples.